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Finding the Fourth Proportional to 379,949.69, 570,576.54 and 337,351.38

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Solution

The fourth proportional to 379,949.69, 570,576.54 and 337,351.38 is: 506,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,949.69 : 570,576.54 = 337,351.38 : x
  2. Step 2: Convert to fraction form
    379,949.69/570,576.54 = 337,351.38/x
  3. Step 3: Cross multiply
    379,949.69x = 570,576.54 × 337,351.38
  4. Step 4: Simplify right side
    379,949.69x = 192,484,783,601.92
  5. Step 5: Solve for x
    x = 192,484,783,601.92/379,949.69
  6. Step 6: Final answer
    x = 506,605.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.